Since 1990, returns to shareholders in public companies in which the founders are still involved have been three times higher than in other companies, according to research published in The Founder's Mentality, a new book by Bain & Company partners Chris Zook and James Allen. What accounts for these companies' success? They retain the Founder's Mentality, which is distinguished by three primary traits: a sense of insurgent mission, an obsession with the frontline, and an owner's mindset. Do you and your team have a Founder's Mentality?

Take this quiz--designed by Zook and Allen exclusively for Inc. readers--to find out.